The P0904 trouble code relates to the gate select position circuit. This circuit is responsible for detecting the position of the gate select mechanism, which is used to select gears in the transmission.
P0904 Gate Select Position Circuit
Code symptoms P0904.
1. Difficulty shifting gears.
2. Gear selector not responding as expected.
3. Transmission may not engage properly.
4. The Check Engine Light (CEL) may be illuminated.
Causes of the code P0904.
1. Faulty gate select position sensor or switch.
2. Wiring or connector issues in the gate select position circuit.
3. Mechanical issues with the gate select mechanism.
Code Solutions P0904.
1. Test and replace the gate select position sensor or switch if it is faulty.
2. Inspect the wiring and connectors in the gate select position circuit for any damage, corrosion, or loose connections. Repair or replace any damaged wiring or connectors.
3. Check for any mechanical issues with the gate select mechanism, such as binding or misalignment. Repair or replace as necessary.